-40°F to 180°FMin / Max Thermometer. Mercury Free!!

Weksler mil-spec shock resistant analog mercury free thermometer with a memory. Indicator needle pushes easy to view thick red stop points to high and low temperatures reached since last reset. As the temperature increases or decreases, the set point is pulled along and remains until observed and reset. All stainless steel. Extra thick glass lens. 2º/subd. 3" diameter dial. 5" long stem.